kirkwood: add support for Iomega iConnect board

Add support for new board iConnect from Iomega.

More information about the device can be found here:

http://go.iomega.com/en/products/network-storage-desktop/wireless-data-station/network-hard-drive-iconnect/?partner=4735

Signed-off-by: Luka Perkov <uboot@lukaperkov.net>
Tested-by: Wojciech Dubowik <wojciech.dubowik@neratec.com>
Tested-by: Tim Fletcher <tim@night-shade.org.uk>

4 files changed, 354 insertions, 0 deletions

diff --git a/board/iomega/iconnect/Makefile b/board/iomega/iconnect/Makefile
new file mode 100644
index 0000000..f77fcfb
--- /dev/null
+++ b/board/iomega/iconnect/Makefile
@@ -0,0 +1,43 @@
+#
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS	:= iconnect.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/iomega/iconnect/iconnect.c b/board/iomega/iconnect/iconnect.c
new file mode 100644
index 0000000..6ee2128
--- /dev/null
+++ b/board/iomega/iconnect/iconnect.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2009-2012
+ * Wojciech Dubowik <wojciech.dubowik@neratec.com>
+ * Luka Perkov <uboot@lukaperkov.net>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/kirkwood.h>
+#include <asm/arch/mpp.h>
+#include "iconnect.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+	/*
+	 * default gpio configuration
+	 * There are maximum 64 gpios controlled through 2 sets of registers
+	 * the below configuration configures mainly initial LED status
+	 */
+	kw_config_gpio(ICONNECT_OE_VAL_LOW,
+			ICONNECT_OE_VAL_HIGH,
+			ICONNECT_OE_LOW, ICONNECT_OE_HIGH);
+
+	/* Multi-Purpose Pins Functionality configuration */
+	u32 kwmpp_config[] = {
+		MPP0_NF_IO2,
+		MPP1_NF_IO3,
+		MPP2_NF_IO4,
+		MPP3_NF_IO5,
+		MPP4_NF_IO6,
+		MPP5_NF_IO7,
+		MPP6_SYSRST_OUTn,	/* Reset signal */
+		MPP7_GPO,
+		MPP8_TW_SDA,		/* I2C */	
+		MPP9_TW_SCK,		/* I2C */
+		MPP10_UART0_TXD,
+		MPP11_UART0_RXD,
+		MPP12_GPO,		/* Reset button */
+		MPP13_SD_CMD,
+		MPP14_SD_D0,
+		MPP15_SD_D1,
+		MPP16_SD_D2,
+		MPP17_SD_D3,
+		MPP18_NF_IO0,
+		MPP19_NF_IO1,
+		MPP20_GE1_0,
+		MPP21_GE1_1,
+		MPP22_GE1_2,
+		MPP23_GE1_3,
+		MPP24_GE1_4,
+		MPP25_GE1_5,
+		MPP26_GE1_6,
+		MPP27_GE1_7,
+		MPP28_GPIO,
+		MPP29_GPIO,
+		MPP30_GE1_10,
+		MPP31_GE1_11,
+		MPP32_GE1_12,
+		MPP33_GE1_13,
+		MPP34_GE1_14,
+		MPP35_GPIO,		/* OTB button */
+		MPP36_AUDIO_SPDIFI,
+		MPP37_AUDIO_SPDIFO,
+		MPP38_GPIO,
+		MPP39_TDM_SPI_CS0,
+		MPP40_TDM_SPI_SCK,
+		MPP41_GPIO,		/* LED brightness */
+		MPP42_GPIO,		/* LED power (blue) */
+		MPP43_GPIO,		/* LED power (red) */
+		MPP44_GPIO,		/* LED USB 1 */
+		MPP45_GPIO,		/* LED USB 2 */
+		MPP46_GPIO,		/* LED USB 3 */
+		MPP47_GPIO,		/* LED USB 4 */
+		MPP48_GPIO,		/* LED OTB */
+		MPP49_GPIO,
+		0
+	};
+	kirkwood_mpp_conf(kwmpp_config, NULL);
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
+
+	return 0;
+}
diff --git a/board/iomega/iconnect/iconnect.h b/board/iomega/iconnect/iconnect.h
new file mode 100644
index 0000000..2fb3e5e
--- /dev/null
+++ b/board/iomega/iconnect/iconnect.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2009-2012
+ * Wojciech Dubowik <wojciech.dubowik@neratec.com>
+ * Luka Perkov <uboot@lukaperkov.net>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ICONNECT_H
+#define __ICONNECT_H
+
+#define ICONNECT_OE_LOW			(~(1 << 7))
+#define ICONNECT_OE_HIGH		(~(1 << 10))
+#define ICONNECT_OE_VAL_LOW		(0)
+#define ICONNECT_OE_VAL_HIGH		(1 << 10)
+
+/* PHY related */
+#define MV88E1116_LED_FCTRL_REG		10
+#define MV88E1116_CPRSP_CR3_REG		21
+#define MV88E1116_MAC_CTRL_REG		21
+#define MV88E1116_PGADR_REG		22
+#define MV88E1116_RGMII_TXTM_CTRL	(1 << 4)
+#define MV88E1116_RGMII_RXTM_CTRL	(1 << 5)
+
+#endif /* __ICONNECT_H */
diff --git a/board/iomega/iconnect/kwbimage.cfg b/board/iomega/iconnect/kwbimage.cfg
new file mode 100644
index 0000000..6c9dfe3
--- /dev/null
+++ b/board/iomega/iconnect/kwbimage.cfg
@@ -0,0 +1,165 @@
+#
+# (C) Copyright 2009-2012
+# Wojciech Dubowik <wojciech.dubowik@neratec.com>
+# Luka Perkov <uboot@lukaperkov.net>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Refer docs/README.kwimage for more details about how-to configure
+# and create kirkwood boot image
+#
+
+# Boot Media configurations
+BOOT_FROM	nand
+NAND_ECC_MODE	default
+NAND_PAGE_SIZE	0x0800
+
+# SOC registers configuration using bootrom header extension
+# Maximum KWBIMAGE_MAX_CONFIG configurations allowed
+
+# Configure RGMII-0 interface pad voltage to 1.8V
+DATA 0xffd100e0 0x1b1b1b9b
+
+#Dram initalization for SINGLE x16 CL=5 @ 400MHz
+DATA 0xffd01400 0x43000c30	# DDR Configuration register
+# bit13-0:  0xc30, (3120 DDR2 clks refresh rate)
+# bit23-14: 0x0,
+# bit24:    0x1,   enable exit self refresh mode on DDR access
+# bit25:    0x1,   required
+# bit29-26: 0x0,
+# bit31-30: 0x1,
+
+DATA 0xffd01404 0x37543000	# DDR Controller Control Low
+# bit4:     0x0, addr/cmd in smame cycle
+# bit5:     0x0, clk is driven during self refresh, we don't care for APX
+# bit6:     0x0, use recommended falling edge of clk for addr/cmd
+# bit14:    0x0, input buffer always powered up
+# bit18:    0x1, cpu lock transaction enabled
+# bit23-20: 0x5, recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
+# bit27-24: 0x7, CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
+# bit30-28: 0x3, required
+# bit31:    0x0, no additional STARTBURST delay
+
+DATA 0xffd01408 0x22125451	# DDR Timing (Low) (active cycles value +1)
+# bit3-0:   TRAS lsbs
+# bit7-4:   TRCD
+# bit11-8:  TRP
+# bit15-12: TWR
+# bit19-16: TWTR
+# bit20:    TRAS msb
+# bit23-21: 0x0
+# bit27-24: TRRD
+# bit31-28: TRTP
+
+DATA 0xffd0140c 0x00000a33	# DDR Timing (High)
+# bit6-0:   TRFC
+# bit8-7:   TR2R
+# bit10-9:  TR2W
+# bit12-11: TW2W
+# bit31-13: 0x0, required
+
+DATA 0xffd01410 0x000000cc	# DDR Address Control
+# bit1-0:   00,  Cs0width (x8)
+# bit3-2:   11,  Cs0size (1Gb)
+# bit5-4:   00,  Cs1width (x8)
+# bit7-6:   11,  Cs1size (1Gb)
+# bit9-8:   00,  Cs2width (nonexistent)
+# bit11-10: 00,  Cs2size (nonexistent)
+# bit13-12: 00,  Cs3width (nonexistent)
+# bit15-14: 00,  Cs3size (nonexistent)
+# bit16:    0,   Cs0AddrSel
+# bit17:    0,   Cs1AddrSel
+# bit18:    0,   Cs2AddrSel
+# bit19:    0,   Cs3AddrSel
+# bit31-20: 0x0, required
+
+DATA 0xffd01414 0x00000000	# DDR Open Pages Control
+# bit0:    0,   OpenPage enabled
+# bit31-1: 0x0, required
+
+DATA 0xffd01418 0x00000000	# DDR Operation
+# bit3-0:   0x0, DDR cmd
+# bit31-4:  0x0, required
+
+DATA 0xffd0141c 0x00000c52	# DDR Mode
+# bit2-0:   0x2, BurstLen=2 required
+# bit3:     0x0, BurstType=0 required
+# bit6-4:   0x4, CL=5
+# bit7:     0x0, TestMode=0 normal
+# bit8:     0x0, DLL reset=0 normal
+# bit11-9:  0x6, auto-precharge write recovery ????????????
+# bit12:    0x0, PD must be zero
+# bit31-13: 0x0, required
+
+DATA 0xffd01420 0x00000040	# DDR Extended Mode
+# bit0:     0,   DDR DLL enabled
+# bit1:     0,   DDR drive strenght normal
+# bit2:     0,   DDR ODT control lsd (disabled)
+# bit5-3:   0x0, required
+# bit6:     1,   DDR ODT control msb, (disabled)
+# bit9-7:   0x0, required
+# bit10:    0,   differential DQS enabled
+# bit11:    0,   required
+# bit12:    0,   DDR output buffer enabled
+# bit31-13: 0x0, required
+
+DATA 0xffd01424 0x0000f17f	# DDR Controller Control High
+# bit2-0:   0x7, required
+# bit3:     0x1, MBUS Burst Chop disabled
+# bit6-4:   0x7, required
+# bit7:     0x0,
+# bit8:     0x1, add writepath sample stage, must be 1 for DDR freq >= 300MHz
+# bit9:     0x0, no half clock cycle addition to dataout
+# bit10:    0x0, 1/4 clock cycle skew enabled for addr/ctl signals
+# bit11:    0x0, 1/4 clock cycle skew disabled for write mesh
+# bit15-12: 0xf, required
+# bit31-16: 0x0, required
+
+DATA 0xffd01428 0x00085520	# DDR2 ODT Read Timing (default values)
+DATA 0xffd0147c 0x00008552	# DDR2 ODT Write Timing (default values)
+
+DATA 0xffd01500 0x00000000	# CS[0]n Base address to 0x0
+DATA 0xffd01504 0x0ffffff1	# CS[0]n Size
+# bit0:     0x1,     Window enabled
+# bit1:     0x0,     Write Protect disabled
+# bit3-2:   0x0,     CS0 hit selected
+# bit23-4:  0xfffff, required
+# bit31-24: 0x0f,    Size (i.e. 256MB)
+
+DATA 0xffd01508 0x00000000	# CS[1]n Base address to 256Mb
+DATA 0xffd0150c 0x00000000	# CS[1]n Size, window disabled
+
+DATA 0xffd01514 0x00000000	# CS[2]n Size, window disabled
+DATA 0xffd0151c 0x00000000	# CS[3]n Size, window disabled
+
+DATA 0xffd01494 0x00030000	# DDR ODT Control (Low)
+# bit3-0:     ODT0Rd, MODT[0] asserted during read from DRAM CS1
+# bit7-4:     ODT0Rd, MODT[0] asserted during read from DRAM CS0
+# bit19-16:2, ODT0Wr, MODT[0] asserted during write to DRAM CS1
+# bit23-20:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
+
+DATA 0xffd01498 0x00000000	# DDR ODT Control (High)
+# bit1-0:  0x0, ODT0 controlled by ODT Control (low) register above
+# bit3-2:  0x1, ODT1 active NEVER!
+# bit31-4: 0x0, required
+
+DATA 0xffd0149c 0x0000e803	# CPU ODT Control
+DATA 0xffd01480 0x00000001	# DDR Initialization Control
+# bit0: 0x1, enable DDR init upon this register write
+
+# End of Header extension
+DATA 0x0 0x0